diff --git a/Cargo.lock b/Cargo.lock
index 76fb742..4ce6b1a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -244,7 +244,7 @@ dependencies = [
  "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -347,7 +347,7 @@ dependencies = [
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -577,15 +577,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pin-project"
-version = "0.4.19"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "pin-project-internal 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-internal 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.19"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1293,8 +1293,8 @@ dependencies = [
 "checksum object 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9cbca9424c482ee628fa549d9c812e2cd22f1180b9222c9200fdfa6eb31aecb2"
 "checksum once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
 "checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
-"checksum pin-project 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)" = "ba3a1acf4a3e70849f8a673497ef984f043f95d2d8252dcdf74d54e6a1e47e8a"
-"checksum pin-project-internal 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)" = "194e88048b71a3e02eb4ee36a6995fed9b8236c11a7bb9f7247a9d9835b3f265"
+"checksum pin-project 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "e75373ff9037d112bb19bc61333a06a159eaeb217660dcfbea7d88e1db823919"
+"checksum pin-project-internal 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "10b4b44893d3c370407a1d6a5cfde7c41ae0478e31c516c85f67eb3adc51be6d"
 "checksum pin-project-lite 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "282adbf10f2698a7a77f8e983a74b2d18176c19a7fd32a45446139ae7b02b715"
 "checksum pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 "checksum ppv-lite86 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"